Sam, the ceramic caps do not have polarity. So the answer to your puzzle is. c1 and c2 are the 0.2 uf and c3 and c4 are the electrolitic ones. If you build it tell us how it works. I couldn’t tell on the guys meter if it was volts or millivolts he was getting.
I’m going into “town” next week and will try to get the parts at the local electronics store. This would be a boon for a lot of different uses, although I do wonder about the energy density of the radio signals he is talking about in rural areas versus urban areas.
Can you charge a cluster of these batteries by placing them in parallel? If not it would take 64,000 units for a total cost of $128.000 to get this puppy recharged. But…………if so, $2.00 is quite reasonable.